Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/25/2022
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 12/25/2022 05:16:31 81.21, 40.77 108.78 12/25/2022 05:15:47 81.20, 40.81 108.80 0.77 44
2 12/25/2022 06:07:17 -81.21,-151.95 71.22 12/25/2022 06:06:32 -81.21,-151.92 71.20 0.53 45
3 12/25/2022 06:58:03 81.21, 15.28 108.80 12/25/2022 06:57:17 81.20, 15.43 108.80 2.61 46
4 12/25/2022 07:48:48 -81.21,-177.44 71.21 12/25/2022 07:48:01 -81.21,-177.30 71.20 2.36 47
5 12/25/2022 08:39:33 81.21, -9.82 108.76 12/25/2022 08:38:46 81.20, -9.95 108.80 2.17 47
6 12/25/2022 09:30:19 -81.21, 157.46 71.24 12/25/2022 09:29:31 -81.21, 157.32 71.20 2.39 48
7 12/25/2022 10:21:05 81.21, -35.31 108.77 12/25/2022 10:20:16 81.20, -35.33 108.80 0.34 49
8 12/25/2022 11:11:51 -81.21, 131.98 71.23 12/25/2022 11:11:01 -81.21, 131.94 71.20 0.56 50
9 12/25/2022 12:02:37 81.21, -60.80 108.79 12/25/2022 12:01:46 81.20, -60.71 108.80 1.56 51
10 12/25/2022 12:53:23 -81.21, 106.49 71.22 12/25/2022 12:52:31 -81.21, 106.57 71.20 1.28 52
11 12/25/2022 13:44:08 81.21, -85.90 108.75 12/25/2022 13:43:16 81.20, -86.09 108.80 3.22 52
12 12/25/2022 14:34:55 -81.21, 81.00 71.20 12/25/2022 14:34:01 -81.21, 81.19 71.20 3.12 54
13 12/25/2022 15:25:40 81.21,-111.39 108.76 12/25/2022 15:24:46 81.20,-111.47 108.80 1.37 54
14 12/25/2022 16:16:26 -81.21, 55.90 71.24 12/25/2022 16:15:31 -81.21, 55.81 71.20 1.63 55
15 12/25/2022 17:07:12 81.21,-136.88 108.77 12/25/2022 17:06:16 81.21,-136.85 108.80 0.51 56
16 12/25/2022 17:57:58 -81.21, 30.41 71.23 12/25/2022 17:57:01 -81.21, 30.43 71.20 0.21 57
17 12/25/2022 18:48:44 81.21,-162.37 108.79 12/25/2022 18:47:46 81.21,-162.23 108.80 2.35 58
18 12/25/2022 19:39:30 -81.21, 4.93 71.22 12/25/2022 19:38:31 -81.21, 5.05 71.20 2.04 59
19 12/25/2022 20:30:15 81.21, 172.53 108.75 12/25/2022 20:29:16 81.21, 172.39 108.80 2.42 59
20 12/25/2022 21:21:01 -81.21, -20.17 71.25 12/25/2022 21:20:01 -81.21, -20.33 71.20 2.71 60
21 12/25/2022 22:11:47 81.21, 147.04 108.76 12/25/2022 22:10:46 81.21, 147.01 108.80 0.56 61
22 12/25/2022 23:02:33 -81.21, -45.66 71.24 12/25/2022 23:01:31 -81.21, -45.71 71.20 0.87 62
23 12/25/2022 23:53:19 81.21, 121.55 108.78 12/25/2022 23:52:16 81.21, 121.63 108.80 1.30 63
24 12/26/2022 00:44:05 -81.21, -71.15 71.23 12/26/2022 00:43:01 -81.21, -71.09 71.20 0.97 64
25 12/26/2022 01:34:51 81.21, 96.06 108.79 12/26/2022 01:33:46 81.21, 96.25 108.80 3.15 65
26 12/26/2022 02:25:37 -81.21, -96.64 71.22 12/26/2022 02:24:31 -81.21, -96.47 71.20 2.81 66
27 12/26/2022 03:16:22 81.21, 70.96 108.75 12/26/2022 03:15:16 81.21, 70.87 108.80 1.61 66
28 12/26/2022 04:07:08 -81.21,-121.74 71.25 12/26/2022 04:06:01 -81.21,-121.85 71.20 1.94 67
29 12/26/2022 04:57:54 81.21, 45.47 108.76 12/26/2022 04:56:46 81.21, 45.49 108.80 0.24 68
30 12/26/2022 05:48:40 -81.21,-147.23 71.24 12/26/2022 05:47:31 -81.21,-147.23 71.20 0.13 69
31 12/26/2022 06:39:26 81.21, 19.98 108.78 12/26/2022 06:38:16 81.21, 20.11 108.80 2.10 70
32 12/26/2022 07:30:12 -81.21,-172.71 71.23 12/26/2022 07:29:01 -81.21,-172.61 71.20 1.73 71
33 12/26/2022 08:20:57 81.21, -5.12 108.74 12/26/2022 08:19:46 81.21, -5.27 108.80 2.66 71
34 12/26/2022 09:11:43 -81.21, 162.19 71.27 12/26/2022 09:10:31 -81.21, 162.01 71.20 3.02 72
35 12/26/2022 10:02:29 81.21, -30.61 108.75 12/26/2022 10:01:16 81.21, -30.65 108.80 0.81 73
36 12/26/2022 10:53:15 -81.21, 136.70 71.25 12/26/2022 10:52:01 -81.21, 136.63 71.20 1.18 74
37 12/26/2022 11:44:01 81.21, -56.10 108.76 12/26/2022 11:42:46 81.21, -56.04 108.80 1.05 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 12/25/2022
SNOs_Map_FY3D_NPP_20221225.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 12/25/2022 in txt file.

Historial Predications of SNOs between FY3D and NPP